Yet another exciting tonnage determination question. I work on a ship with the following on its COI [20180925_124330] Which from my reading of the CFRs I assumed makes the ship useless for sea time between second mate unlimited and chief mate unlimited. Not just useless for avoiding a limited t…

How can you have such big difference between GT/GRT? Is this a special type of vessel?

I guess I was just still confused since that thread seemed to be focusing a lot on the OSV license tracks which specifically address ITC tonnage. This tonnage disparity is just so large and technically the checklist says all sea time must be on vessels of over 100 GRT and the national license check…

It is a 180 overnight guest passenger vessel.

I think you get unlimited tonnage seatime on that vessel. This once again demonstrates how meaningless and arbitrary USCG Gross Register Tons are. They are worthless for determining anything of practical value. It’s a fraudulent scam. Mariners are the primary victims.

How do I get a job as “Chief Mate” on that vessel so I can get unlimited master? Yes, I know the USCG only requires one 100 ton Master, and one 100 ton Mate or this vessel. However, those officers get 4000 ton seatime allowing an upgrade to an unlimited tonnage master’s license. Oh the wonders of…

the checklist says all sea time must be on vessels of over 100 GRT and the national license checklist says nothing about ITC. You answered your question right there. CG uses the GRT for license, ITC only gets used if there is no GRT. I do know of cases where people have gotten the CG to count t…

My recollection is that t hey give you seatime credit or whichever tonnage admeasurement is highest, I.e., the GT.

Thanks, thats what I figured. I don’t think I’ve ever gotten useful information from the folks that work the NMC website.

Strange Tonnage

Professional Mariner Forum

Dutchie October 9, 2018, 8:56pm 2

This subject was discussed already earlier in this topic. Maybe be this helps.

Topic		Replies	Views
Seatime Tonnage Credit US GRT vs. I.T.C. GT Professional Mariner Forum	11	6030	May 31, 2012
Tonnage issues..... Where can I get some answers? Professional Mariner Forum	9	2575	August 12, 2011
Tonnage for STCW Endorsements Professional Mariner Forum	9	2767	July 5, 2017
Policy letter 11-12 requies over 3000gt Maritime Training & Licensing	15	2452	October 9, 2012
Unlimited tonnage? Professional Mariner Forum	24	8198	January 3, 2010

Strange Tonnage

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